he announced the visit in the aftermath of the killing a 15- year-old hadiya pendleton, a chicago teen shot days -- shot dead just days after performing at obama's second term inauguration. obama said the rate of killing people in chicago is equivalent to newtown massacre occurring every four months. >> something profound and uniquely heartbreaking and tragic, obviously, about a group of six-year olds being killed, but last year there were 443 murders with a firearm on the streets of this city, and 65 of those victims were 18 and under. so that is the equivalent of a new town every four months. and that is precisely what the overwhelming majority of americans are asking for some common sense proposal to make it harder for criminals to get their hands on a gun. >> four separate shootings were reported in chicago in the 90 minutes after obama's speech. just hours later, the sister of a teenager who had sat behind obama on stage at the appeal for gun control was shot dead. the victim, janay mcfarlane, was 18 years old, the mother of a three-month old boy. sectarian discord is growing in p